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<!--
- @copyright Copyright (c) 2022
-
- @license AGPL-3.0-or-later
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-->
<template>
<NodeViewWrapper :id="node.attrs.id"
ref="container"
:as="domElement"
tabindex="-1">
<a aria-hidden="true"
class="heading-anchor"
:href="href"
:title="t('text', 'Link to this section')"
:contenteditable="false"
@click.stop="click">{{ linkSymbol }}</a>
<NodeViewContent />
</NodeViewWrapper>
</template>
<script>
import Vue from 'vue'
import { NodeViewWrapper, NodeViewContent } from '@tiptap/vue-2'
import { useEditorMixin } from '../../components/Editor.provider.js'
export default Vue.extend({
name: 'HeadingView',
components: {
NodeViewWrapper,
NodeViewContent,
},
mixins: [useEditorMixin],
props: {
node: {
type: Object,
required: true,
},
extension: {
type: Object,
required: true,
},
},
data() {
return {
content: null,
}
},
computed: {
href() {
return `#${this.node.attrs.id}`
},
domElement() {
const hasLevel = this.extension.options.levels.includes(this.node.attrs.level)
const level = hasLevel ? this.node.attrs.level : this.extension.options.levels[0]
return `h${level}`
},
linkSymbol() {
return this.extension.options.linkSymbol
},
t: () => window.t,
},
methods: {
click() {
this.$refs.container.$el.scrollIntoView()
window.location.hash = this.href
},
},
})
</script>
<style lang="scss">
div.ProseMirror {
/* Anchor links */
h1,h2,h3,h4,h5,h6 {
position: relative;
.heading-anchor[contenteditable="false"] {
opacity: 0;
padding: 0;
left: -1em;
bottom: 0;
font-size: max(1em, 16px);
position: absolute;
text-decoration: none;
transition-duration: .15s;
transition-property: opacity;
transition-timing-function: cubic-bezier(.4,0,.2,1);
}
&:hover .heading-anchor {
opacity: 0.5!important;
}
&:focus-visible {
outline: none;
}
}
// Shrink clickable area of anchor permalinks while editing
&[contenteditable="true"] {
h1,h2,h3,h4,h5,h6 {
.heading-anchor {
width: 1em;
}
}
}
}
</style>
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